T1D1 Mobile vs FlashSnack
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
T1D1 Mobile
This app helps individuals with Type 1 Diabetes calculate insulin doses, track glucose, insulin, and carb intake. It's designed for those using multiple daily injections and newly diagnosed patients, offering essential tools for daily management. The app is FDA-cleared and free to use.
- Insulin dose calculation
- Glucose tracking
- Insulin intake tracking
- Carb intake tracking
- Data sharing with healthcare providers
- FDA-cleared medical device
Read full descriptionHide full description
T1D1 (Type 1 Diabetes from Day 1), all the essentials you need to get started from day 1 of diagnosis. 100% free - No subscription and no in-app purchases! Who is it for? People with Type 1 Diabetes who… -Need help calculating insulin! -Are newly diagnosed with Type 1 Diabetes -Use multiple daily injections (MDI) of short-acting insulin -Work with School nurses -Have caregivers who assist in diabetes management -Want to send their data to healthcare providers -Are taking a break from using a pump -Count carbs but are NOT on a sliding scale T1D1 implements the bolus dosing calculation as indicated by the American Diabetes Association standards of Care (https://diabetesjournals.org/care/issue/48/Supplement_1) without modifications. T1D1 is intended for people with Type 1 Diabetes aged 2 years and older who use multiple daily injections (MDI) of rapid-acting insulin. The user can calculate insulin doses based on user-entered data, track glucose, insulin, and carb intake, and share information with their healthcare team. Designed to be simple and accessible, T1D1 makes it easier for patients and families to manage the daily math of diabetes. About the creator: My name is Drew Mendelow. I was 13 years old when I was diagnosed with Type 1 Diabetes in 2020. I remember feeling so overwhelmed when I was newly diagnosed and wanted to create an app with just the essentials you need from day 1 of diagnosis. My aim is to make it simple, reliable, and accessible to all… for free! Hope this app makes your life just a little easier. Disclaimer: T1D1 is an FDA-cleared, Class II medical device for over-the-counter use. Before use, a healthcare professional must provide your target blood glucose values, insulin-to-carbohydrate ratios, and correction factor (aka insulin sensitivity factor) to be programmed into the app. While the app is designed to support insulin dosing for individuals with Type 1 Diabetes Mellitus (T1DM) from age 2 and older, for children under 13, a parent or legal guardian must create and manage the account on the child’s behalf. Legal Manufacturer: Comerge AG Bubenbergestrasse 1 Zurich, 8045 Switzerland
FlashSnack
Effortlessly log meals and snacks by simply taking a photo or providing a description. This app integrates with Apple Health Kit to help you analyze your nutrition without intrusive features.
- Log meals with photos
- Log meals with descriptions
- Integrates with Apple Health Kit
- Fast and simple food logging
- Nutrition analysis
Read full descriptionHide full description
FlashSnack does exactly one thing: given a photo or description of a meal or snack, logs it and saves it to Apple Health Kit. Use whatever you want to analyze your health, but don't waste time with slower food loggers that want to run the show. Log your meals in a flash! Free trial, then a low-cost monthly or annual subscription is required for continued use. Note: FlashSnack does not provide medical advice and the nutrition estimates must not be relied upon for medical decision-making. Always follow the advice of your physician or other licensed health care professionals.
Screenshots
Verdict
The clearest difference is monetization model: T1D1 Mobile at free against FlashSnack's subscription. T1D1 Mobile also leads on ratings volume (97 vs 6). FlashSnack's advantage is update cadence (every 4 days vs every 2 months) and rating (5.0 vs 4.7). On price, review sentiment, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
FlashSnack holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: T1D1 Mobile has 97 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 95% of T1D1 Mobile's written reviews are positive against 100% of FlashSnack's.
T1D1 Mobile ships an update every 2 months, FlashSnack every 4 days. The most recent releases landed on October 15, 2026 and October 2, 2026 respectively.
| Parameter | T1D1 Mobile | FlashSnack |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (97 ratings) | 5.0 (6 ratings) — better |
| Positive reviews | 94.9% of reviews | 100.0% of reviews — better |
| Number of ratings | 97 — better | 6 |
| Update frequency | Every 2 months | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Subscription |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.6 — better | 16.4 |
| Further details — not scored | ||
| Size | 39 MB | 136 MB |
| Age rating | 12+ | 12+ |
| Developer | T1D1 | Gluroo Imaginations Inc. |
Customer experience
T1D1 Mobile
FlashSnack
In-app purchases
T1D1 Mobile
No in-app purchases
FlashSnack
No in-app purchases








